Sonic has a example ipv6 tunnel configuration generator for OpenBSD, but it only gives the pre-4.7 syntax. Here's how r00ter is configured, and these settings should work for any 4.7 or up installation, including recent flashrd builds.

Sonic has a example ipv6 tunnel configuration generator for OpenBSD, but it only gives the pre-4.7 syntax. Here's how r00ter is configured, and these settings should work for any 4.7 or up installation, including recent flashrd builds.

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Note that regardless of what the ISP tells you to use as your subnet, you have to use a prefix length of /64 for automatic address configuration to work. If you have a DHCPv6 server you can do whatever you want, though.

Tunnel configuration

Sonic has a example ipv6 tunnel configuration generator for OpenBSD, but it only gives the pre-4.7 syntax. Here's how r00ter is configured, and these settings should work for any 4.7 or up installation, including recent flashrd builds.

Note that regardless of what the ISP tells you to use as your subnet, you have to use a prefix length of /64 for automatic address configuration to work. If you have a DHCPv6 server you can do whatever you want, though.